Home / 2,112.27-2,914.94-1,180.77

Finding the Fourth Proportional to 2,112.27, 2,914.94 and 1,180.77

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Solution

The fourth proportional to 2,112.27, 2,914.94 and 1,180.77 is: 1,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.27 : 2,914.94 = 1,180.77 : x
  2. Step 2: Convert to fraction form
    2,112.27/2,914.94 = 1,180.77/x
  3. Step 3: Cross multiply
    2,112.27x = 2,914.94 × 1,180.77
  4. Step 4: Simplify right side
    2,112.27x = 3,441,873.70
  5. Step 5: Solve for x
    x = 3,441,873.70/2,112.27
  6. Step 6: Final answer
    x = 1,629.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.